<!DOCTYPE html>
<html lang="en">
<head>
    <!--
    @Author 硕鼠
    @Date 2020/4/7 9:52
    @Version 1.0
    @Description return返回值测试
  -->
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        function show() {
            return 1;
        }
        var a = show();
        alert(a);
    </script>
</head>
<body>

</body>
</html>